D₂I₁P₃R₁O₁T₁I₁C₃

13 points

DIPROTIC is validvalid

having two hydrogen ions to donate to bases [adj]

64,849 of 196,601 in NWL2023·also valid in CSW24

(of an acid) having two transferable protons [adj]

65,910 of 280,887 in CSW24·also valid in NWL2023